<template>
  <div>
    <div ref="editor" style="margin-bottom:15px;min-width:650px"></div>
    <Button @click="editHTML" icon="ios-create-outline" style="margin-right:5px">编辑HTML代码</Button>
    <Button @click="fullscreenModal=true" icon="md-eye" style="margin-right:5px">全屏预览</Button>
    <Button @click="clear" icon="md-trash">清空</Button>

    <Modal
            title="编辑html代码"
            v-model="showHTMLModal"
            :mask-closable="false"
            :width="900"
            :fullscreen="full"
    >
      <Input
              v-if="!full"
              v-model="dataEdit"
              :rows="15"
              type="textarea"
              style="max-height:60vh;overflow:auto;"
      />
      <Input v-if="full" v-model="dataEdit" :rows="32" type="textarea"/>
      <div slot="footer">
        <Button @click="full=!full" icon="md-expand">全屏开/关</Button>
        <Button @click="editHTMLOk" type="primary" icon="md-checkmark-circle-outline">确定保存</Button>
      </div>
    </Modal>
    <Modal title="预览" v-model="fullscreenModal" fullscreen>
      <div v-html="data">{{data}}</div>
      <div slot="footer">
        <Button @click="fullscreenModal=false">关闭</Button>
      </div>
    </Modal>
  </div>
</template>

<script>
    import { uploadFile } from "@/api/index";
    import E from "wangeditor";
    // 表情包配置 自定义表情可在该js文件中统一修改
    import { sina } from "@/libs/emoji";
    let editor = null;
    var xss = require("xss");
    export default {
        name: "editor",
        props: {
            value: String,
            openXss: {
                type: Boolean,
                default: false
            }
        },
        data() {
            return {
                data: this.value, // 富文本数据
                dataEdit: "", // 编辑数据
                showHTMLModal: false, // 显示html
                full: false, // html全屏开关
                fullscreenModal: false // 显示全屏预览
            };
        },
        methods: {
            initEditor() {
                let that = this;
                // 详见wangeditor3官网文档 https://www.kancloud.cn/wangfupeng/wangeditor3/332599
                editor = new E(this.$refs.editor);
                // 编辑内容绑定数据
                editor.customConfig.onchange = html => {
                    if (this.openXss) {
                        this.data = xss(html);
                    } else {
                        this.data = html;
                    }
                    this.$emit("input", this.data);
                    this.$emit("on-change", this.data);
                };
                // 配置上传图片服务器端地址
                editor.customConfig.uploadImgServer = uploadFile;
                // highset如要header中传入token鉴权
                editor.customConfig.uploadImgHeaders = {
                    accessToken: that.getStore("accessToken")
                };
                editor.customConfig.uploadFileName = "file";
                editor.customConfig.uploadImgHooks = {
                    before: function(xhr, editor, files) {
                        // 图片上传之前触发
                    },
                    success: function(xhr, editor, result) {
                        // 图片上传并返回结果，图片插入成功之后触发
                    },
                    fail: function(xhr, editor, result) {
                        // 图片上传并返回结果，但图片插入错误时触发
                        that.$Message.error("上传图片失败");
                    },
                    error: function(xhr, editor) {
                        // 图片上传出错时触发
                        that.$Message.error("上传图片出错");
                    },
                    timeout: function(xhr, editor) {
                        // 图片上传超时时触发
                        that.$Message.error("上传图片超时");
                    },
                    // 如果服务器端返回的不是 {errno:0, data: [...]} 这种格式，可使用该配置
                    customInsert: function(insertImg, result, editor) {
                        if (result.success == true) {
                            let url = result.result;
                            insertImg(url);
                            that.$Message.success("上传图片成功");
                        } else {
                            that.$Message.error(result.message);
                        }
                    }
                };
                editor.customConfig.customAlert = function(info) {
                    // info 是需要提示的内容
                    // that.$Message.info(info);
                };
                // 字体
                editor.customConfig.fontNames = ["微软雅黑", "宋体", "黑体", "Arial"];
                // 表情面板可以有多个 tab ，因此要配置成一个数组。数组每个元素代表一个 tab 的配置
                editor.customConfig.emotions = [
                    {
                        // tab 的标题
                        title: "新浪",
                        // type -> 'emoji' / 'image'
                        type: "image",
                        // content -> 数组
                        content: sina
                    }
                ];
                editor.create();
                if(this.data){
                    this.setData(this.data);
                }
            },
            editHTML() {
                this.dataEdit = this.data;
                this.showHTMLModal = true;
            },
            editHTMLOk() {
                editor.txt.html(this.dataEdit);
                if (this.openXss) {
                    this.data = xss(this.dataEdit);
                } else {
                    this.data = this.dataEdit;
                }
                this.$emit("input", this.data);
                this.$emit("on-change", this.data);
                this.showHTMLModal = false;
            },
            clear() {
                this.$Modal.confirm({
                    title: "确认清空",
                    content: "确认要清空编辑器内容？清空后不能撤回",
                    onOk: () => {
                        this.data = "";
                        editor.txt.html(this.data);
                        this.$emit("input", this.data);
                        this.$emit("on-change", this.data);
                    }
                });
            },
            setData(value) {
                this.data = value;
                editor.txt.html(this.data);
                this.$emit("input", this.data);
                this.$emit("on-change", this.data);
            }
        },
        watch: {
            value(val) {
                this.setData(val);
            }
        },
        mounted() {
            this.initEditor();
        }
    };
</script>

<style lang="less">

</style>

